N900 USB networking
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round-trip min/avg/max = 0.214/0.290/0.367 ms | round-trip min/avg/max = 0.214/0.290/0.367 ms | ||
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| + | NOTE: The ping test above only tests the local networking stack on the N900 device. The actual host connection is not tested. | ||
=== Stopping USB network mode === | === Stopping USB network mode === | ||
Revision as of 12:09, 11 December 2009
This page describes how to enable Networking on the N900 via USB. The first part describes how to configure the Nokia N900 as a USB pluggable network device. The second part describes how to configure various platforms to use the Nokia N900 as a network device. This article is based on the Maemo 4.x wiki for configuring USB networking.
You might want to use the N900 as a USB network device to log into your N900 remotely, or to transfer data from your N900 to another computer, in a situation where wifi or bluetooth are not an option. If you wish to connect your N900 to a Linux machine over TCP/IP, the PC connectivity section in the Maemo SDK documentation also contains useful information.
Contents |
N900 USB network configuration
There is a default USB network interface configuration on Nokia N900. In the file /etc/network/interfaces, you should see a section which looks like this:
auto usb0
iface usb0 inet static
address 192.168.2.15
netmask 255.255.255.0
gateway 192.168.2.14
With this default configuration, the N900 USB interface will have the IP address 192.168.2.15, and the remote end will have the IP address 192.168.2.14. By default, the USB network interface on the N900 is configured
Starting USB network mode
Plug one end of the USB cable on the host and the other end into the N900. The N900 will bring up the mode-selection dialog. Select 'PC Suite mode'.
Open a root shell in 'X Terminal' on the N900 and activate the interface by executing the following:
sudo gainroot ifup usb0
If all went well, no errors will be displayed. The command 'ifconfig usb0' will give the following output:
Nokia-N900-42-11:~# ifconfig usb0
usb0 Link encap:Ethernet HWaddr F2:50:8F:04:1D:8B
inet addr:192.168.2.15 Bcast:192.168.2.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1021 errors:0 dropped:0 overruns:0 frame:0
TX packets:2003 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:86091 (84.0 KiB) TX bytes:2556598 (2.4 MiB)
You should also be able to ping 192.168.2.15
Nokia-N900-42-11:~# ping 192.168.2.15 PING 192.168.2.15 (192.168.2.15): 56 data bytes 64 bytes from 192.168.2.15: seq=0 ttl=64 time=0.367 ms 64 bytes from 192.168.2.15: seq=1 ttl=64 time=0.214 ms ^C --- 192.168.2.15 ping statistics --- 2 packets transmitted, 2 packets received, 0% packet loss round-trip min/avg/max = 0.214/0.290/0.367 ms
NOTE: The ping test above only tests the local networking stack on the N900 device. The actual host connection is not tested.
Stopping USB network mode
This is optional. It is not necessary to stop the interface after unplugging the USB cable.
However, to stop the USB interface, unplug the USB cable and execute the following in 'X Terminal'
sudo gainroot ifdown usb0
Host USB Network Configuration
The Host configuration is detailed in the Maemo 4.x USB Networking wiki. Please refer to it for details.